Integrand size = 21, antiderivative size = 516 \[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{8 a \sqrt {c+a^2 c x^2}}+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{360 a}+\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {5 c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}+\frac {5 c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}} \]
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Time = 0.29 (sec) , antiderivative size = 516, normalized size of antiderivative = 1.00, number of steps used = 21, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.476, Rules used = {5000, 5010, 5008, 4266, 2611, 2320, 6724, 223, 212, 201} \[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\frac {5 i c^3 \sqrt {a^2 x^2+1} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {a^2 c x^2+c}}-\frac {5 i c^3 \sqrt {a^2 x^2+1} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{8 a \sqrt {a^2 c x^2+c}}-\frac {5 c^3 \sqrt {a^2 x^2+1} \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {a^2 c x^2+c}}+\frac {5 c^3 \sqrt {a^2 x^2+1} \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )}{8 a \sqrt {a^2 c x^2+c}}-\frac {5 i c^3 \sqrt {a^2 x^2+1} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{8 a \sqrt {a^2 c x^2+c}}+\frac {5}{16} c^2 x \arctan (a x)^2 \sqrt {a^2 c x^2+c}-\frac {5 c^2 \arctan (a x) \sqrt {a^2 c x^2+c}}{8 a}+\frac {5}{24} c x \arctan (a x)^2 \left (a^2 c x^2+c\right )^{3/2}-\frac {5 c \arctan (a x) \left (a^2 c x^2+c\right )^{3/2}}{36 a}+\frac {1}{6} x \arctan (a x)^2 \left (a^2 c x^2+c\right )^{5/2}-\frac {\arctan (a x) \left (a^2 c x^2+c\right )^{5/2}}{15 a}+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {a^2 c x^2+c}}\right )}{360 a}+\frac {17}{180} c^2 x \sqrt {a^2 c x^2+c}+\frac {1}{60} c x \left (a^2 c x^2+c\right )^{3/2} \]
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Rule 201
Rule 212
Rule 223
Rule 2320
Rule 2611
Rule 4266
Rule 5000
Rule 5008
Rule 5010
Rule 6724
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2+\frac {1}{15} c \int \left (c+a^2 c x^2\right )^{3/2} \, dx+\frac {1}{6} (5 c) \int \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2 \, dx \\ & = \frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2+\frac {1}{20} c^2 \int \sqrt {c+a^2 c x^2} \, dx+\frac {1}{36} \left (5 c^2\right ) \int \sqrt {c+a^2 c x^2} \, dx+\frac {1}{8} \left (5 c^2\right ) \int \sqrt {c+a^2 c x^2} \arctan (a x)^2 \, dx \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2+\frac {1}{40} c^3 \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{72} \left (5 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{16} \left (5 c^3\right ) \int \frac {\arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{8} \left (5 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2+\frac {1}{40} c^3 \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )+\frac {1}{72} \left (5 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )+\frac {1}{8} \left (5 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )+\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \int \frac {\arctan (a x)^2}{\sqrt {1+a^2 x^2}} \, dx}{16 \sqrt {c+a^2 c x^2}} \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{360 a}+\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int x^2 \sec (x) \, dx,x,\arctan (a x)\right )}{16 a \sqrt {c+a^2 c x^2}} \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{8 a \sqrt {c+a^2 c x^2}}+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{360 a}-\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int x \log \left (1-i e^{i x}\right ) \, dx,x,\arctan (a x)\right )}{8 a \sqrt {c+a^2 c x^2}}+\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int x \log \left (1+i e^{i x}\right ) \, dx,x,\arctan (a x)\right )}{8 a \sqrt {c+a^2 c x^2}} \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{8 a \sqrt {c+a^2 c x^2}}+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{360 a}+\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {\left (5 i c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \operatorname {PolyLog}\left (2,-i e^{i x}\right ) \, dx,x,\arctan (a x)\right )}{8 a \sqrt {c+a^2 c x^2}}+\frac {\left (5 i c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \operatorname {PolyLog}\left (2,i e^{i x}\right ) \, dx,x,\arctan (a x)\right )}{8 a \sqrt {c+a^2 c x^2}} \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{8 a \sqrt {c+a^2 c x^2}}+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{360 a}+\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,-i x)}{x} \, dx,x,e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}+\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,i x)}{x} \, dx,x,e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}} \\ & = \frac {17}{180} c^2 x \sqrt {c+a^2 c x^2}+\frac {1}{60} c x \left (c+a^2 c x^2\right )^{3/2}-\frac {5 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}{36 a}-\frac {\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)}{15 a}+\frac {5}{16} c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2+\frac {5}{24} c x \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2+\frac {1}{6} x \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{8 a \sqrt {c+a^2 c x^2}}+\frac {259 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{360 a}+\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}-\frac {5 c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}}+\frac {5 c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )}{8 a \sqrt {c+a^2 c x^2}} \\ \end{align*}
Time = 1.53 (sec) , antiderivative size = 771, normalized size of antiderivative = 1.49 \[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\frac {c^2 \sqrt {c+a^2 c x^2} \left (424 a x \sqrt {1+a^2 x^2}+368 a^3 x^3 \sqrt {1+a^2 x^2}-56 a^5 x^5 \sqrt {1+a^2 x^2}-11028 \sqrt {1+a^2 x^2} \arctan (a x)+504 a^2 x^2 \sqrt {1+a^2 x^2} \arctan (a x)+12 a^4 x^4 \sqrt {1+a^2 x^2} \arctan (a x)+11970 a x \sqrt {1+a^2 x^2} \arctan (a x)^2+7380 a^3 x^3 \sqrt {1+a^2 x^2} \arctan (a x)^2+1170 a^5 x^5 \sqrt {1+a^2 x^2} \arctan (a x)^2-7200 i \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2+8288 \text {arctanh}\left (\frac {a x}{\sqrt {1+a^2 x^2}}\right )+1550 \arctan (a x) \cos (3 \arctan (a x))+3210 a^2 x^2 \arctan (a x) \cos (3 \arctan (a x))+1770 a^4 x^4 \arctan (a x) \cos (3 \arctan (a x))+110 a^6 x^6 \arctan (a x) \cos (3 \arctan (a x))-90 \arctan (a x) \cos (5 \arctan (a x))-270 a^2 x^2 \arctan (a x) \cos (5 \arctan (a x))-270 a^4 x^4 \arctan (a x) \cos (5 \arctan (a x))-90 a^6 x^6 \arctan (a x) \cos (5 \arctan (a x))+7200 i \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )-7200 i \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )-7200 \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )+7200 \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )+372 \sin (3 \arctan (a x))+636 a^2 x^2 \sin (3 \arctan (a x))+156 a^4 x^4 \sin (3 \arctan (a x))-108 a^6 x^6 \sin (3 \arctan (a x))-1425 \arctan (a x)^2 \sin (3 \arctan (a x))-3555 a^2 x^2 \arctan (a x)^2 \sin (3 \arctan (a x))-2835 a^4 x^4 \arctan (a x)^2 \sin (3 \arctan (a x))-705 a^6 x^6 \arctan (a x)^2 \sin (3 \arctan (a x))-52 \sin (5 \arctan (a x))-156 a^2 x^2 \sin (5 \arctan (a x))-156 a^4 x^4 \sin (5 \arctan (a x))-52 a^6 x^6 \sin (5 \arctan (a x))+45 \arctan (a x)^2 \sin (5 \arctan (a x))+135 a^2 x^2 \arctan (a x)^2 \sin (5 \arctan (a x))+135 a^4 x^4 \arctan (a x)^2 \sin (5 \arctan (a x))+45 a^6 x^6 \arctan (a x)^2 \sin (5 \arctan (a x))\right )}{11520 a \sqrt {1+a^2 x^2}} \]
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Time = 2.50 (sec) , antiderivative size = 342, normalized size of antiderivative = 0.66
method | result | size |
default | \(\frac {c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (120 a^{5} \arctan \left (a x \right )^{2} x^{5}-48 \arctan \left (a x \right ) a^{4} x^{4}+390 a^{3} \arctan \left (a x \right )^{2} x^{3}+12 a^{3} x^{3}-196 a^{2} \arctan \left (a x \right ) x^{2}+495 a \arctan \left (a x \right )^{2} x +80 a x -598 \arctan \left (a x \right )\right )}{720 a}+\frac {i c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (225 i \arctan \left (a x \right )^{2} \ln \left (1+\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-225 i \arctan \left (a x \right )^{2} \ln \left (1-\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )+450 \arctan \left (a x \right ) \operatorname {polylog}\left (2, -\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-450 \arctan \left (a x \right ) \operatorname {polylog}\left (2, \frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )+450 i \operatorname {polylog}\left (3, -\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-450 i \operatorname {polylog}\left (3, \frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-1036 \arctan \left (\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}\right )\right )}{720 a \sqrt {a^{2} x^{2}+1}}\) | \(342\) |
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\[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} \arctan \left (a x\right )^{2} \,d x } \]
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\[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\int \left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {5}{2}} \operatorname {atan}^{2}{\left (a x \right )}\, dx \]
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\[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} \arctan \left (a x\right )^{2} \,d x } \]
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Exception generated. \[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2 \, dx=\int {\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^{5/2} \,d x \]
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